金属陶瓷在饲料机械中的应用

Application of Cermet for Feeding Machine

分析了膨化饲料机螺旋轴、套的失效机理，提出并实施了对螺旋轴、套进行表面强化的技术方案。实践证明，用金属陶瓷涂层强化后的螺旋轴、套完全满足其服役要示，其使用寿命可提高１０倍以上，而成本提高不到５％。

The failure mechanism of feeding machine’s spiral spindle and its cover is analysed.A strength-ened project for the spiral spindle and its cover with cermet is given and practised.The result proves that pro-ject is efficacious and successful in meeting the requirement of feeding machine, the life of spiral spindle andits cover is 10 times longer than the original one,however the production costs are less than 5%increased。